Mark A Webber

Mark A. Webber holds a Bachelor of Science in Agriculture and twenty different certifications, qualifications, accreditations, and licensures in arboriculture and horticulture. Most notably, Mr. Webber is a Register Consulting Arborist, Board-Certified Master Arborist, and Certified Professional Horticulturist with over forty-seven-plus years of relevant professional experience.

Mr. Webber provides investigations, reports, and testimony in matters related to tree condition, maintenance, removal and agricultural as well as horticultural matters. His expertise includes the management of nursery, arboricultural and horticultural, and agricultural operations, dendrochronology, pesticide use, crop and tree injuries due to biotic and abiotic conditions, appraisals of damaged crops, trees, and plants, tree failures, and tree failures due to biotic and abiotic conditions, and an assortment of agricultural, arboricultural and horticultural issues. Mr. Webber is an admitted member of approximately thirty-two industry organizations, including the American Society of Consulting Arborists, Chartered Institute of Horticulture, International Dendrology Society, Tree-Ring Society, American Phytopathological Society, and the OSHA (Occupational Safety and Health Administration) Small Business Advocacy Review Panel for Tree Care Industry Rules.

Mr. Webber has been a court-qualified expert witness in his field in the state courts of Ohio, Massachusetts, Michigan, New Jersey, New York, North Dakota, Pennsylvania, Washington, and California. Mr. Webber has also been qualified to testify in Federal Court proceedings.


Mr. Webber is available nationwide.